Knowledge base for software setup, errors, and daily tool work.

Firefox Not Responding? Try Safe Mode Troubleshooting Steps

If Firefox stops responding—freezing, crashing, or refusing to load pages—it's often due to a con...

Fix Windows Security Virus Scan Slow Performance

If your Windows Security (formerly Windows Defender) virus scan takes forever or slows down your ...

Fix VS Code Terminal Not Opening Due to Shell Path Issue

You click the terminal panel in VS Code, but nothing happens—or it flashes and disappears. This i...

How to Fix Command Prompt Not Opening in Windows 10

If you click the Command Prompt shortcut and nothing happens, or it flashes and closes, you're no...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Chrome 504 Gateway Timeout When Using a VPN